oj.uz

Submission #646399

# Submission time Handle Problem Language Result Execution time Memory
646399 2022-09-29T18:07:01 Z murad_2005 XOR Sum (info1cup17_xorsum) C++17
45 / 100
 1600 ms 1604 KB 
    #pragma GCC optimize("Ofast")
    #pragma GCC target("avx,avx2")
    #pragma GCC optimize("unroll-loops")
    #include<bits/stdc++.h>
    using namespace std;
    using ll = long long;
    using pl = pair<ll,ll>;
    using tl = tuple<ll,ll,ll>;
    using ld = long double;
    #define all(x) (x).begin(),(x).end()
    #define sz(x) ll((x).size())
    #define pb emplace_back
    #define F first
    #define S second
    const ll inf = (1ll<<60);
    const ll N = 1e6 + 100;
    const ll K = 3;
    const ld PI = 3.141592653589793238462643383279;
    //mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
    int a[N];
    void solve(){
        int n;
        cin >> n;
        int ans = 0;
        for(ll i = 1;i<=n;i++){
            cin >> a[i];
            for(ll j = 1;j<=i;j++){
                ans^=(a[i]+a[j]);
            }
        }
        cout << ans;
    }
     
     
    int main(){
        ios::sync_with_stdio(0);
        cin.tie(0);
        ll t = 1;
        //cin >> t;
        //cout << fixed << setprecision(20);
        while(t--){
            solve();
        }
    }

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1693 ms 900 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1693 ms 900 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 562 ms 684 KB Output is correct
4 Correct 568 ms 1604 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Execution timed out 1693 ms 900 KB Time limit exceeded
4 Halted 0 ms 0 KB -